<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>输入名字</title>
    <style>
      body {
        min-height: 100vh;
        background: linear-gradient(#1d2b64, #f8cdda);
        color: #fff;
        font-family: PingFangSC-Regular;
        padding: 0;
        margin: 0;
      }
      input {
        display: inline-block;
        width: 80%;
        height: 32px;
        line-height: 1.5;
        padding: 4px 7px;
        margin: 20px auto 0 auto;
        font-size: 16px;
        border: 1px solid #dcdee2;
        border-radius: 4px;
        color: #515a6e;
        background-color: #fff;
        background-image: none;
        position: relative;
        cursor: text;
        -webkit-transition: border 0.2s ease-in-out, background 0.2s ease-in-out,
          -webkit-box-shadow 0.2s ease-in-out;
        transition: border 0.2s ease-in-out, background 0.2s ease-in-out,
          -webkit-box-shadow 0.2s ease-in-out;
        transition: border 0.2s ease-in-out, background 0.2s ease-in-out,
          box-shadow 0.2s ease-in-out;
        transition: border 0.2s ease-in-out, background 0.2s ease-in-out,
          box-shadow 0.2s ease-in-out, -webkit-box-shadow 0.2s ease-in-out;
      }
      .button {
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: 10;
        width: 80%;
        height: 40px;
        background: rgba(89, 126, 247, 1);
        border-radius: 44px;
        font-size: 14px;
        font-weight: 500;
        color: rgba(255, 255, 255, 1);
        line-height: 20px;
        cursor: pointer;
      }
      .button-shadow {
        width: 80%;
        height: 40px;
        background: rgba(106, 140, 253, 1);
        border-radius: 44px;
        opacity: 0.3081;
        -webkit-filter: blur(4px);
        filter: blur(4px);
        margin-top: -36px;
      }
      #card {
        width: 80%;
        box-sizing: border-box;
        padding: 20px 12px;
        word-wrap: break-word;
      }
      @media screen and (min-width: 800px) {
        .container {
          width: 350px;
          margin: 0 auto;
        }
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div style="text-align: center; margin-top: 40px">
        <h2>Happy Valentine's Day</h2>
        <input type="text" id="name" />
      </div>
      <script>
        window.onload = function() {
          document.getElementById("btn").addEventListener("click", function() {
            let name = document.getElementById("name").value;
            if (name === "") {
              alert("请输入姓名");
              return;
            }
            let url =
              "https://zxpsuper.github.io/Demo/valentine_day/index.html?name=" +
              encodeURIComponent(encodeURIComponent(name));
            document.getElementById("card").innerHTML = url;
          });
        };
      </script>
      <div
        style="display: flex;margin-top: 40px;  flex-direction:column;align-items: center "
      >
        <div class="button" id="btn">确定</div>
        <div class="button-shadow"></div>
        <div id="card"></div>

        <p id="copy-btn">复制以上网址发给他人吧</p>
      </div>
    </div>
  </body>
</html>
